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Finding the Fourth Proportional to 94.65, 141.97 and 29.65

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Solution

The fourth proportional to 94.65, 141.97 and 29.65 is: 44.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.65 : 141.97 = 29.65 : x
  2. Step 2: Convert to fraction form
    94.65/141.97 = 29.65/x
  3. Step 3: Cross multiply
    94.65x = 141.97 × 29.65
  4. Step 4: Simplify right side
    94.65x = 4,208.70
  5. Step 5: Solve for x
    x = 4,208.70/94.65
  6. Step 6: Final answer
    x = 44.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.